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Finding the Fourth Proportional to 60,494.94, 83,484.95 and 33,638.58

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Solution

The fourth proportional to 60,494.94, 83,484.95 and 33,638.58 is: 46,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,494.94 : 83,484.95 = 33,638.58 : x
  2. Step 2: Convert to fraction form
    60,494.94/83,484.95 = 33,638.58/x
  3. Step 3: Cross multiply
    60,494.94x = 83,484.95 × 33,638.58
  4. Step 4: Simplify right side
    60,494.94x = 2,808,315,001.18
  5. Step 5: Solve for x
    x = 2,808,315,001.18/60,494.94
  6. Step 6: Final answer
    x = 46,422.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.